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U.S. Department of Energy
Office of Scientific and Technical Information

Radial pressure flange seal

Patent ·
OSTI ID:866826

This invention provides an all metal seal for vacuum or pressure vessels or systems. This invention does not use gaskets. The invention uses a flange which fits into a matching groove. Fluid pressure is applied in a chamber in the flange causing at least one of the flange walls to radially press against a side of the groove creating the seal between the flange wall and the groove side.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
DOE Contract Number:
W-7405-ENG-48
Assignee:
Regents of University of California (Berkeley, CA)
Patent Number(s):
US 4799692
OSTI ID:
866826
Country of Publication:
United States
Language:
English

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